30401280

Names of 30401280

• Cardinal: 30401280 can be written as Thirty million, four hundred one thousand, two hundred eighty.

Scientific notation

• Scientific notation: 3.040128 × 10⁷

Factors of 30401280

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 59

Divisors of 30401280

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 18 20 21 24 26 28 29 30 32 35 36 39 40 42 45 48 52 56 58 60 63 64 65 70 72 78 80 84 87 90 91 96 104 105 112 116 117 120 126 128 130 140 144 145 156 160 168 174 180 182 192 195 203 208 210 224 232 234 240 252 256 260 261 273 280 288 290 312 315 320 336 348 360 364 377 384 390 406 416 420 435 448 455 464 468 480 504 520 522 546 560 576 580 585 609 624 630 640 672 696 720 728 754 768 780 812 819 832 840 870 896 910 928 936 960 1008 1015 1040 1044 1092 1120 1131 1152 1160 1170 1218 1248 1260 1280 1305 1344 1365 1392 1440 1456 1508 1560 1624 1638 1664 1680 1740 1792 1820 1827 1856 1872 1885 1920 2016 2030 2080 2088 2184 2240 2262 2304 2320 2340 2436 2496 2520 2610 2639 2688 2730 2784 2880 2912 3016 3045 3120 3248 3276 3328 3360 3393 3480 3640 3654 3712 3744 3770 3840 4032 4060 4095 4160 4176 4368 4480 4524 4640 4680 4872 4992 5040 5220 5278 5376 5460 5568 5655 5760 5824 6032 6090 6240 6496 6552 6720 6786 6960 7280 7308 7424 7488 7540 7917 8064 8120 8190 8320 8352 8736 8960 9048 9135 9280 9360 9744 9984 10080 10440 10556 10920 11136 11310 11520 11648 12064 12180 12480 12992 13104 13195 13440 13572 13920 14560 14616 14976 15080 15834 16128 16240 16380 16640 16704 16965 17472 18096 18270 18560 18720 19488 20160 20880 21112 21840 22272 22620 23296 23751 24128 24360 24960 25984 26208 26390 26880 27144 27840 29120 29232 29952 30160 31668 32480 32760 33408 33930 34944 36192 36540 37120 37440 38976 39585 40320 41760 42224 43680 45240 47502 48256 48720 49920 51968 52416 52780 54288 55680 58240 58464 60320 63336 64960 65520 66816 67860 69888 72384 73080 74880 77952 79170 80640 83520 84448 87360 90480 95004 96512 97440 104832 105560 108576 111360 116480 116928 118755 120640 126672 129920 131040 135720 144768 146160 149760 155904 158340 167040 168896 174720 180960 190008 194880 209664 211120 217152 233856 237510 241280 253344 259840 262080 271440 289536 292320 316680 334080 337792 349440 361920 380016 389760 422240 434304 467712 475020 482560 506688 524160 542880 584640 633360 675584 723840 760032 779520 844480 868608 950040 1013376 1048320 1085760 1169280 1266720 1447680 1520064 1688960 1900080 2026752 2171520 2338560 2533440 3040128 3377920 3800160 4343040 5066880 6080256 7600320 10133760 15200640 30401280
• Sum of all divisors σ(n): 133922880
• Sum of proper divisors (its aliquot sum) s(n): 103521600
• 30401280 is an abundant number, because the sum of its proper divisors (103521600) is greater than itself. Its abundance is 73120320

Bases of 30401280

• Binary: 1110011111110001100000000₂
• Hexadecimal: 0x1CFE300
• Base-36: I3LS0

Squares and roots of 30401280

• 30401280 squared (30401280²) is 924237825638400
• 30401280 cubed (30401280³) is 28098012923824177152000
• The square root of 30401280 is 5513.7355758143
• The cube root of 30401280 is 312.1025304051

Scales and comparisons

• 30,401,280 seconds is equal to 50 weeks, 1 day, 20 hours, 48 minutes.
• To count from 1 to 30,401,280 would take you about twenty-three weeks!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 30401280 cubic inches would be around 26 feet tall.

Recreational maths with 30401280

• 30401280 backwards is 08210403
• 30401280 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 30401280's digits is 18
• More coming soon!